Knowledge base for software setup, errors, and daily tool work.

Fix Chrome 'ERR_CONNECTION_REFUSED' Due to Proxy Settings

You're trying to load a website, but Chrome shows ERR_CONNECTION_REFUSED. The pa...

Windows Search SSL Certificate Error Checklist

If Windows Search suddenly stops working and you see SSL certificate errors in the event logs or ...

Fix VirtualBox Kernel Driver Permission Denied on Linux

Fix Microsoft Teams 404 Not Found Error When Loading Apps

You click an app in Microsoft Teams and see a '404 Not Found' page instead of the app loading. Th...

Fix Remote Desktop Port Already Allocated Error

When you try to start Remote Desktop (RDP) or change its listening port, you may see an error lik...

Fix Windows Search 504 Gateway Timeout Error

You open Windows Search, type a query, and instead of results you see a 504 gateway timeout error...